Home / 14,604.15-20,153.70-8,316.53

Finding the Fourth Proportional to 14,604.15, 20,153.70 and 8,316.53

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Solution

The fourth proportional to 14,604.15, 20,153.70 and 8,316.53 is: 11,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.15 : 20,153.70 = 8,316.53 : x
  2. Step 2: Convert to fraction form
    14,604.15/20,153.70 = 8,316.53/x
  3. Step 3: Cross multiply
    14,604.15x = 20,153.70 × 8,316.53
  4. Step 4: Simplify right side
    14,604.15x = 167,608,749.89
  5. Step 5: Solve for x
    x = 167,608,749.89/14,604.15
  6. Step 6: Final answer
    x = 11,476.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.